How To Fix RT303 - Error reading detailed MTE performance data from the monitoring segment

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 303

• Message text: Error reading detailed MTE performance data from the monitoring segment

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT303 - Error reading detailed MTE performance data from the monitoring segment ?

  The SAP error message RT303, which states "Error reading detailed MTE performance data from the monitoring segment," typically indicates an issue with the monitoring and performance data retrieval in the SAP system. This error can occur in various contexts, particularly when dealing with the Monitoring Tool Environment (MTE) or when trying to access performance metrics for specific components.
  Causes:
  
  Data Corruption: The performance data or monitoring segment may be corrupted or inconsistent.
  Authorization Issues: The user may not have the necessary authorizations to access the performance data.
  System Configuration: Incorrect configuration settings in the monitoring tools or the underlying system can lead to this error.
  Database Issues: Problems with the database, such as connectivity issues or data retrieval problems, can also trigger this error.
  Performance Bottlenecks: High load on the system or performance bottlenecks can prevent the retrieval of detailed performance data.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the monitoring data. This can be done by reviewing user roles and permissions.
  Review System Logs: Check the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  Restart Monitoring Services: Sometimes, restarting the monitoring services or the entire SAP system can resolve temporary issues.
  Check Configuration: Review the configuration settings for the monitoring tools to ensure they are set up correctly.
  Database Health Check: Perform a health check on the database to ensure it is functioning correctly. This may involve checking for locks, performance issues, or connectivity problems.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases patches and updates that can resolve known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM21 (System Log), and ST22 (Dump Analysis) to help diagnose the issue.
  Monitoring Tools: Understand the specific monitoring tools being used (e.g., Solution Manager, CCMS) and their configurations.
  Performance Tuning: Regularly perform system performance tuning and maintenance to prevent such issues from occurring in the future.
  
  By following these steps, you should be able to diagnose and resolve the RT303 error in your SAP environment.